Three-carbon SUGAR ACIDS with the formula HOCH2(CHOH)COOH.
http://www.orpha.net/consor/cgi-bin/OC_Exp.php?Lng=FR&Expert=941 2006 France French phosphotransferases (Alcohol group acceptor) glyceric acids rare diseases glycerate kinase glyceric acid D-glycericacidemia carbohydrate metabolism, inborn errors scientific and technical information